Trilobita - Phacopida - Cheiruridae
Full reference: R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161
Parent taxon: Pilekiinae according to F. Perez-Peris et al. 2021
See also Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Anacheirurus, Chashania, Courtessolium, Demeterops, Emsurina, Eocheirurus, Koraipsis, Landyia, Macrogrammus, Metapilekia, Metapliomerops, Parapilekia, Pilekia, Pliomeroides, Pseudopliomera, Seisonia, Sinoparapilekia, Sinoparapilekiini, Tienshihfuia, Victorispina, Yinaspis
Subtaxa: Tesselacauda depressa
Type: Tesselacauda depressa
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Australia (1 collection), Canada (3: Alberta, Newfoundland), United States (9: Idaho, Utah)
• Tremadoc of Canada (2: Alberta)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.